The data rate for a (2B+D) ISDN system is:
A) 128 kbps
B) 192 kbps
C) 64 kbps
D) 144 kbps

Name: The data rate for a (2B+D) ISDN system is: A) 128 kbps B) 192 kbps C) 64 kbps D) 144 kbps
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Question

Quizplus · Accepted Answer

A (2B+D) ISDN system consists of two B channels and one D channel. Each B channel has a data rate of 64 kbps, and the D channel has a data rate of 16 kbps. Adding these together, 2*64 kbps + 16 kbps = 128 kbps + 16 kbps = 144 kbps.

The Data Rate for a (2B+D) ISDN System Is